CS ping problem- pls help me !

I have a problem with ping on counter strike. i recently got broadband and am running at 256k. So my ping should be relatively low around like 30. But it isn't it sits at like 450 (that is worse than a 56k modem). it is only counter stike, and i can surf the net fast.Two month ago it was all fine my ping was 12,25,30.... but now it is 400-2000. I already reinstalled CS twice.I don't know how to fix it up. please help me. Feel free to e-mail " ajinkya.steel@gmail.com " reply any help will be much appreciated. PLEASE HELP!!! :wave:

I've tried every thing, I reinstalled CS, I don't have any spy on my PC, my PC config. is Perfect, My broadband speed is 195kbs up/ 196 kbs down (24kbps),
I tried all rates, cl_ , cmd,...... and so on.